geometry

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Across
  1. 3. two figures or objects are congruent if they have the same shape and size
  2. 4. with four equal sides and equal opposite angles
  3. 7. two angles whose sum is a right angle
  4. 9. shape with a circular base
  5. 11. Segment A part of a line that has two endpoints
  6. 12. point where two or more curves
  7. 13. When two rays combine with a common endpoint
Down
  1. 1. the perimeter of a circle or ellipse
  2. 2. point in some sense in the middle of the object
  3. 4. those figures intersect somewhere
  4. 5. a continuous portion of a circle
  5. 6. lines that a transversal crosses may or may not b
  6. 7. A two-dimensional shape in which all points on the curved line
  7. 8. Math terminology from plane and solid
  8. 10. at has three interior angles that are less than 90 degrees